Two teaspoons of original coarse powder Metamucil, made to be mixed into a liquid, contains 6 grams of fiber, 5 grams of which are soluble fiber. Sensitivity Safe Gluten-Free Fiber Supplements ...

Benefiber contains traces of gluten Benefiber contains wheat, but the manufacturers consider it gluten-free because it contains less than 20 parts per million (ppm) of gluten.